#240A09

Closest named color: Very Dark Brown (#1D0200). oklch(18.8% 0.045 24.6), rgb(36, 10, 9).

Aa

White text reads best on this color (18.71:1).

About this color

#240A09 is a very dark, muted red. In OKLCH its lightness is 19%, its chroma 0.045 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Very Dark Brown (#1D0200), ΔE 0.039 away. White text reads best on it, at 18.71:1.

Hue familyReds
Lightnessvery dark (19%)
Chromamuted (0.045)
Temperaturewarm
Nearest nameVery Dark Brown (#1D0200)
Black text1.12:1
White text18.71:1

Values

HEX#240A09
RGBrgb(36, 10, 9)
HSLhsl(2, 60%, 9%)
OKLCHoklch(18.8% 0.045 24.6)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #240A09 18.71:1 AAA Lc -107.1 Preferred for body text
Black text on #240A09 1.12:1 Fails Lc 0.0 Not readable
#240A09 text on white 18.71:1 AAA Lc 105.0 Preferred for body text
#240A09 text on black 1.12:1 Fails Lc 0.0 Not readable

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 950.

  1. Step 50

    50

    #FAF4F3

    oklch(97.2% 0.007 28.8)

  2. Step 100

    100

    #F4E6E5

    oklch(93.6% 0.015 22.4)

  3. Step 200

    200

    #ECD2D0

    oklch(88.5% 0.029 23)

  4. Step 300

    300

    #E1B4B0

    oklch(80.9% 0.053 24.2)

  5. Step 400

    400

    #D08C86

    oklch(70.7% 0.084 25)

  6. Step 500

    500

    #C26E68

    oklch(63.1% 0.108 24.9)

  7. Step 600

    600

    #AE5450

    oklch(55.6% 0.119 24.2)

  8. Step 700

    700

    #954441

    oklch(49.1% 0.11 24.1)

  9. Step 800

    800

    #793935

    oklch(42.7% 0.09 25.2)

  10. Step 900

    900

    #62312E

    oklch(37.6% 0.071 24.7)

  11. Step 950

    950 (this color)

    #240A09

    oklch(18.8% 0.045 24.6)

Export this scale for Tailwind in the Tailwind colors tool

#240A09 with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#100F090.048
Deuteranopia (no green cones)#1714080.043
Tritanopia (no blue cones)#28060A0.014
Achromatopsia (no color)#1212120.045

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #240A09

    #240A09

    oklch(18.8% 0.045 24.6)

  • #00171A

    #00171A

    oklch(18.7% 0.032 205.8)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #240A09

    #240A09

    oklch(18.8% 0.045 24.6)

  • #220A15

    #220A15

    oklch(18.9% 0.044 353.4)

  • #220D01

    #220D01

    oklch(18.8% 0.044 54.3)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #240A09

    #240A09

    oklch(18.8% 0.045 24.6)

  • #001812

    #001812

    oklch(18.7% 0.035 174.7)

  • #001622

    #001622

    oklch(18.8% 0.039 233.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #240A09

    #240A09

    oklch(18.8% 0.045 24.6)

  • #051806

    #051806

    oklch(18.7% 0.044 144.8)

  • #091227

    #091227

    oklch(18.7% 0.045 264.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #240A09

    #240A09

    oklch(18.8% 0.045 24.6)

  • #131500

    #131500

    oklch(18.7% 0.042 114.1)

  • #00171A

    #00171A

    oklch(18.7% 0.032 205.8)

  • #150F25

    #150F25

    oklch(18.9% 0.044 294.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #240A09, closest first.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #240A09 in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.